Pith Number

pith:PL5LVO3N

pith:2016:PL5LVO3N2JBAFKI2RJXKD5KJFS

not attested not anchored not stored refs pending

Why Our Universe is Comprehensible

James B. Hartle

arxiv:1612.01952 v1 · 2016-12-06 · gr-qc · hep-th · physics.hist-ph · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PL5LVO3N2JBAFKI2RJXKD5KJFS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:55:40.122595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7afababb6dd24202a91a8a6ea1f5492c9ed180a60b6500854014be050957463e

Aliases

arxiv: 1612.01952 · arxiv_version: 1612.01952v1 · doi: 10.48550/arxiv.1612.01952 · pith_short_12: PL5LVO3N2JBA · pith_short_16: PL5LVO3N2JBAFKI2 · pith_short_8: PL5LVO3N

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PL5LVO3N2JBAFKI2RJXKD5KJFS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7afababb6dd24202a91a8a6ea1f5492c9ed180a60b6500854014be050957463e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b479080d04c96ebf8c2462ed59208fa286229ccb876a79640eba18feb00db0e1",
    "cross_cats_sorted": [
      "hep-th",
      "physics.hist-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-12-06T19:19:22Z",
    "title_canon_sha256": "5902d46278693044d3b86e747ed61a648399ab5dea395e567fc46e16573aac13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01952",
    "kind": "arxiv",
    "version": 1
  }
}